describe('practice-2-7', function () {

    it("解决爱因斯坦数学题", function () {
        var result_200 = einstein_problem(200);
        expect(result_200.length).toBe(1);
        expect(result_200[0]).toBe(119);
        var result_400 = einstein_problem(400);
        expect(result_400.length).toBe(2);
        expect(result_400[1]).toBe(329);
        var result_600 = einstein_problem(600);
        expect(result_600.length).toBe(3);
        expect(result_600[2]).toBe(539);
    });

});